<div class="slider-row">
  <mat-icon>volume_up</mat-icon>
  <mat-slider min="0" max="100" discrete>
    <input value="65" matSliderThumb>
  </mat-slider>
</div>
<div class="slider-row">
  <mat-icon>brightness_low</mat-icon>
  <mat-slider min="0" max="100" discrete>
    <input value="40" matSliderThumb>
  </mat-slider>
</div>
